@@ -146,6 +146,7 @@ static void __init omap_2430sdp_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {

@@ -335,6 +335,7 @@ static void __init omap_3430sdp_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(hyb18m512160af6_sdrc_params, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static int sdp3430_batt_table[] = {

@@ -78,6 +78,7 @@ static void __init omap_sdp_init_irq(void)
 	omap2_init_common_devices(h8mbx00u0mer0em_sdrc_params,
 				  h8mbx00u0mer0em_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 #ifdef CONFIG_OMAP_MUX

@@ -35,6 +35,7 @@
 #include <plat/common.h>
 #include <plat/usb.h>
 #include <plat/mmc.h>
+#include <plat/gpmc.h>
 
 #include "mux.h"
 #include "hsmmc.h"

@@ -249,6 +250,7 @@ static void __init omap_4430sdp_init_irq(void)
 	omap2_gp_clockevent_set_gptimer(1);
 #endif
 	gic_init_irq();
+	gpmc_init();
 }
 
 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

@@ -35,6 +35,7 @@
 #include <plat/common.h>
 #include <plat/usb.h>
 #include <plat/display.h>
+#include <plat/gpmc.h>
 #include <plat/panel-generic-dpi.h>
 
 #include "mux.h"

@@ -403,6 +404,7 @@ static void __init am3517_evm_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct omap_musb_board_data musb_board_data = {

@@ -281,6 +281,7 @@ static void __init omap_apollon_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static void __init apollon_led_init(void)

@@ -692,6 +692,7 @@ static void __init cm_t35_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 			     mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct omap_board_mux board_mux[] __initdata = {

@@ -458,6 +458,7 @@ static void __init devkit8000_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 				  mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

@@ -29,6 +29,7 @@
 #include <plat/usb.h>
 #include <plat/board.h>
 #include <plat/common.h>
+#include <plat/gpmc.h>
 
 static struct omap_board_config_kernel generic_config[] = {
 };

@@ -40,6 +41,7 @@ static void __init omap_generic_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static void __init omap_generic_init(void)

@@ -297,6 +297,7 @@ static void __init omap_h4_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 	h4_init_flash();
 }
 

@@ -531,6 +531,7 @@ static void __init igep2_init_irq(void)
 	omap2_init_common_devices(m65kxxxxam_sdrc_params,
 				  m65kxxxxam_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct twl4030_codec_audio_data igep2_audio_data = {

@@ -295,6 +295,7 @@ static void __init omap_ldp_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct twl4030_usb_data ldp_usb_data = {

@@ -33,6 +33,7 @@
 #include <plat/onenand.h>
 #include <plat/mmc.h>
 #include <plat/serial.h>
+#include <plat/gpmc.h>
 
 #include "mux.h"
 

@@ -633,6 +634,7 @@ static void __init n8x0_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 #ifdef CONFIG_OMAP_MUX

@@ -542,6 +542,7 @@ static void __init omap3_beagle_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 				  mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

@@ -43,6 +43,7 @@
 #include <plat/common.h>
 #include <plat/mcspi.h>
 #include <plat/display.h>
+#include <plat/gpmc.h>
 #include <plat/panel-generic-dpi.h>
 
 #include "mux.h"

@@ -632,6 +633,7 @@ static void __init omap3_evm_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct platform_device *omap3_evm_devices[] __initdata = {

@@ -47,6 +47,7 @@
 #include <plat/mcspi.h>
 #include <plat/usb.h>
 #include <plat/display.h>
+#include <plat/gpmc.h>
 #include <plat/nand.h>
 
 #include "mux.h"

@@ -640,6 +641,7 @@ static void __init omap3pandora_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 				  mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static void __init pandora_wl1251_init(void)

@@ -598,6 +598,7 @@ static void __init omap3_stalker_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 	omap_init_irq();
+	gpmc_init();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

@@ -424,6 +424,7 @@ static void __init omap3_touchbook_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 				  mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

@@ -37,6 +37,7 @@
 #include <plat/common.h>
 #include <plat/usb.h>
 #include <plat/mmc.h>
+#include <plat/gpmc.h>
 #include "timer-gp.h"
 
 #include "hsmmc.h"

@@ -81,6 +82,7 @@ static void __init omap4_panda_init_irq(void)
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
 	gic_init_irq();
+	gpmc_init();
 }
 
 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

@@ -417,6 +417,7 @@ static void __init overo_init_irq(void)
 	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 				  mt46h32m32lf6_sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 static struct platform_device *overo_devices[] __initdata = {

@@ -109,6 +109,7 @@ static void __init rx51_init_irq(void)
 	sdrc_params = nokia_get_sdram_timings();
 	omap2_init_common_devices(sdrc_params, sdrc_params);
 	omap_init_irq();
+	gpmc_init();
 }
 
 extern void __init rx51_peripherals_init(void);

@@ -24,6 +24,7 @@
 #include <plat/common.h>
 #include <plat/board.h>
 #include <plat/usb.h>
+#include <plat/gpmc.h>
 
 #include <mach/board-zoom.h>
 

@@ -45,6 +46,7 @@ static void __init omap_zoom_init_irq(void)
 					  h8mbx00u0mer0em_sdrc_params);
 
 	omap_init_irq();
+	gpmc_init();
 }
 
 #ifdef CONFIG_OMAP_MUX

@@ -14,6 +14,7 @@
  */
 #undef DEBUG
 
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/err.h>

@@ -22,12 +23,12 @@
 #include <linux/spinlock.h>
 #include <linux/io.h>
 #include <linux/module.h>
+#include <linux/interrupt.h>
 
 #include <asm/mach-types.h>
 #include <plat/gpmc.h>
 
 #include <plat/sdrc.h>
-
 /* GPMC register offsets */
 #define GPMC_REVISION		0x00
 #define GPMC_SYSCONFIG		0x10

@@ -100,6 +101,8 @@ static void __iomem *gpmc_base;
 
 static struct clk *gpmc_l3_clk;
 
+static irqreturn_t gpmc_handle_irq(int irq, void *dev);
+
 static void gpmc_write_reg(int idx, u32 val)
 {
 	__raw_writel(val, gpmc_base + idx);

@@ -497,6 +500,10 @@ int gpmc_cs_configure(int cs, int cmd, int wval)
 	u32 regval = 0;
 
 	switch (cmd) {
+	case GPMC_ENABLE_IRQ:
+		gpmc_write_reg(GPMC_IRQENABLE, wval);
+		break;
+
 	case GPMC_SET_IRQ_STATUS:
 		gpmc_write_reg(GPMC_IRQSTATUS, wval);
 		break;

@@ -680,7 +687,8 @@ static void __init gpmc_mem_init(void)
 
 void __init gpmc_init(void)
 {
-	u32 l;
+	u32 l, irq;
+	int cs;
 	char *ck = NULL;
 
 	if (cpu_is_omap24xx()) {

@@ -723,6 +731,33 @@ void __init gpmc_init(void)
 	l |= (0x02 << 3) | (1 << 0);
 	gpmc_write_reg(GPMC_SYSCONFIG, l);
 	gpmc_mem_init();
+
+	/* initalize the irq_chained */
+	irq = OMAP_GPMC_IRQ_BASE;
+	for (cs = 0; cs < GPMC_CS_NUM; cs++) {
+		set_irq_handler(irq, handle_simple_irq);
+		set_irq_flags(irq, IRQF_VALID);
+		irq++;
+	}
+
+	if (request_irq(INT_34XX_GPMC_IRQ,
+			gpmc_handle_irq, IRQF_SHARED, "gpmc", gpmc_base))
+		pr_err("gpmc: irq-%d could not claim: err %d\n",
+						INT_34XX_GPMC_IRQ, irq);
+}
+
+static irqreturn_t gpmc_handle_irq(int irq, void *dev)
+{
+	u8 cs;
+
+	if (irq != INT_34XX_GPMC_IRQ)
+		return IRQ_HANDLED;
+	/* check cs to invoke the irq */
+	cs = ((gpmc_read_reg(GPMC_PREFETCH_CONFIG1)) >> CS_NUM_SHIFT) & 0x7;
+	if (OMAP_GPMC_IRQ_BASE+cs <= OMAP_GPMC_IRQ_END)
+		generic_handle_irq(OMAP_GPMC_IRQ_BASE+cs);
+
+	return IRQ_HANDLED;
 }
 
 #ifdef CONFIG_ARCH_OMAP3

@@ -30,7 +30,6 @@
 
 #include <plat/sram.h>
 #include <plat/sdrc.h>
-#include <plat/gpmc.h>
 #include <plat/serial.h>
 
 #include "clock2xxx.h"

@@ -408,8 +407,6 @@ void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
 		_omap2_init_reprogram_sdrc();
 	}
-	gpmc_init();
-
 	omap_irq_base_init();
 }
 

@@ -41,6 +41,8 @@
 #define GPMC_NAND_ADDRESS	0x0000000b
 #define GPMC_NAND_DATA		0x0000000c
 
+#define GPMC_ENABLE_IRQ		0x0000000d
+
 /* ECC commands */
 #define GPMC_ECC_READ		0 /* Reset Hardware ECC for read */
 #define GPMC_ECC_WRITE		1 /* Reset Hardware ECC for write */

@@ -78,6 +80,8 @@
 #define WR_RD_PIN_MONITORING		0x00600000
 #define GPMC_PREFETCH_STATUS_FIFO_CNT(val)	((val >> 24) & 0x7F)
 #define GPMC_PREFETCH_STATUS_COUNT(val)	(val & 0x00003fff)
+#define GPMC_IRQ_FIFOEVENTENABLE	0x01
+#define GPMC_IRQ_COUNT_EVENT		0x02
 
 /*
  * Note that all values in this struct are in nanoseconds except sync_clk

@@ -318,6 +318,7 @@
 #define INT_34XX_PRCM_MPU_IRQ	11
 #define INT_34XX_MCBSP1_IRQ	16
 #define INT_34XX_MCBSP2_IRQ	17
+#define INT_34XX_GPMC_IRQ	20
 #define INT_34XX_MCBSP3_IRQ	22
 #define INT_34XX_MCBSP4_IRQ	23
 #define INT_34XX_CAM_IRQ	24

@@ -411,7 +412,13 @@
 #define TWL_IRQ_END		TWL6030_IRQ_END
 #endif
 
-#define NR_IRQS			TWL_IRQ_END
+/* GPMC related */
+#define OMAP_GPMC_IRQ_BASE	(TWL_IRQ_END)
+#define OMAP_GPMC_NR_IRQS	7
+#define OMAP_GPMC_IRQ_END	(OMAP_GPMC_IRQ_BASE + OMAP_GPMC_NR_IRQS)
+
+
+#define NR_IRQS			OMAP_GPMC_IRQ_END
 
 #define OMAP_IRQ_BIT(irq)	(1 << ((irq) % 32))